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Flickr Video Captures
by Norbert Hülsmann
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Placopus rubicundus (Vampyrellidae): Food uptake during locomotion on a plane substrate (polystyrene Petri dish). The specimen accidentally overruns a just settled germling of Oedogonium sp., recognizes them – with some delay – as suitable prey, moves a bit backwards and starts the attack. After about three minutes, the algal cell is depleted and Placopus continues locomotion. During the ingestion phase, the hump of the cell flattens and the lamellipodium retracts. Along the hyaline cell...
Topics: Flickr, video, taxonomy:binomial=placopusrubicundus, taxonomy:family=vampyrellidae,...
Flickr Video Captures
by https://www.flickr.com/photos/achrntatrps/
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Deuxième fleur, deuxième essai de timelapse de la floraison d'Echinopsis. Cette fois ci avec une autre fleur en train de se faner D200+ 50mm F/1.8 D + SB-800 + SB-700 en esclaves contrôlés par le flash interne du D200.300 photos à intervalle de 1 minute, 1/200e, F/11, ISO 200, WB flash. Source: https://www.flickr.com/photos/9157091@N04/13899490212 Uploader: https://www.flickr.com/photos/achrntatrps/
Topics: Flickr, video, cactaceae, echinopsis, fleur, blume, flower, photographe, photographer,...